Abstract—This research project is intended to study on the
production of biogas from the anaerobic digestion of rice straw
using paddy rice soil as the microbial inoculant. The study will
be focusing on the identification of available potential
feedstock from the research project’s location which is
Kampung Assum, investigating the suitable parameters for this
digestion process and study its effects to biogas production.
The parameters for the anaerobic digestion such as the ratio of
soil to water and the pH are studied in depth in this research
project while the temperature is set to be in a range of 35°C to
38°C for a mesophilic condition to be achieved. The soil to
water ratio of 1:1, 1:1.5, 1:2, 1.5:1, and 2:1 have been done in
parallel manner in fabricated biodigesters and incubator
where 1:2 soil to water has produce the highest yield among all
other ratios used. While for the pH study, a control experiment
has been conducted intended for the study of the effect of pH
on the digestion. Resulting from this study, the desirable initial
pH for anaerobic digestion must be exceeding the pH value of
5.5. The combustibility test has shown a positive result where
the gas produced is combusted with a blue flame without any
foul smell.
Index Terms—Anaerobic digestion, rice straw, microbial
inoculant.
The authors are with Universiti Malaysia Sarawak, Malaysia (e-mail:
sshanti@unimas.my).
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Cite:S. F. Salleh, M. R. Jalani, N. Abdul Rahman, and A. Baharum, "Production of Biogas from Rice Straw Using Paddy Rice Soil as Inoculant," Journal of Clean Energy Technologies vol. 5, no. 4, pp. 285-288, 2017.
